<wicket:panel xmlns:wicket="http://wicket.apache.org">

  <div class="header-info text-center">
    <a href="#" wicket:id="logoutLink" >
      <wicket:message key="header.logout" />
    </a>
  </div>

  <div class="header-info">
    <wicket:message key="header.login.greeting" />
    <a href="#" wicket:id="accountEditLink" wicket:message="title:header.login.edit.title">
      <wicket:container wicket:id="hello" >Welcome message</wicket:container>
    </a>
  </div>

</wicket:panel>